Design of External Residual Current Circuit Breaker for Self-Checking and Self-Restoring Electric Energy Meter

doi:10.16628/j.cnki.2095-8188.2022.04.010

LOW VOLTAGE APPARATUS ›› 2022, Vol. 0 ›› Issue (4): 60-64.doi: 10.16628/j.cnki.2095-8188.2022.04.010

• Electrical Design & Discussion • Previous Articles Next Articles

Design of External Residual Current Circuit Breaker for Self-Checking and Self-Restoring Electric Energy Meter

ZHAO Ce¹, ZHENG Yuanchang²

1. Zhejiang Hangdu Technology Co.,Ltd.,Yueqing 325604,China
2. Huatong Mechanical and Electrical Co.,Ltd.,Yueqing 325604,China

Received:2021-12-27 Online:2022-04-30 Published:2022-06-06

Abstract

Abstract:

The external residual current circuit breaker the for with the checking and self-restoring function is proposed.The principle and hardware design of checking and self-restoring are analyzed in detail.The difficulty that the residual current protection of traditional products may not be inspected regularly in practical application is solved,and the safety and reliability of products are improved.

Key words: residual current protection, circuit breaker, self-checking and self-restoring, electronic test button

CLC Number:

TM561

ZHAO Ce, ZHENG Yuanchang. Design of External Residual Current Circuit Breaker for Self-Checking and Self-Restoring Electric Energy Meter[J]. LOW VOLTAGE APPARATUS, 2022, 0(4): 60-64.

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Design of External Residual Current Circuit Breaker for Self-Checking and Self-Restoring Electric Energy Meter

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